WO2021245308A1 - Activation de suiveurs solaires - Google Patents

Activation de suiveurs solaires Download PDF

Info

Publication number
WO2021245308A1
WO2021245308A1 PCT/ES2021/070391 ES2021070391W WO2021245308A1 WO 2021245308 A1 WO2021245308 A1 WO 2021245308A1 ES 2021070391 W ES2021070391 W ES 2021070391W WO 2021245308 A1 WO2021245308 A1 WO 2021245308A1
Authority
WO
WIPO (PCT)
Prior art keywords
solar tracker
solar
controller
gateway
gateways
Prior art date
Application number
PCT/ES2021/070391
Other languages
English (en)
Spanish (es)
Inventor
Samir Chaouki Almagro
Francisco Javier Carpio Obre
Abraham Ramli Rosique
Original Assignee
Soltec Innovations S.L.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Soltec Innovations S.L. filed Critical Soltec Innovations S.L.
Priority to BR112022023960A priority Critical patent/BR112022023960A2/pt
Priority to AU2021286216A priority patent/AU2021286216A1/en
Priority to IL298734A priority patent/IL298734A/en
Priority to US18/008,157 priority patent/US11867824B2/en
Priority to MX2022015077A priority patent/MX2022015077A/es
Priority to PE2022002624A priority patent/PE20231125A1/es
Priority to CN202180040154.1A priority patent/CN115968531A/zh
Publication of WO2021245308A1 publication Critical patent/WO2021245308A1/fr
Priority to CONC2022/0017450A priority patent/CO2022017450A2/es

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/78—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using electromagnetic waves other than radio waves
    • G01S3/782—Systems for determining direction or deviation from predetermined direction
    • G01S3/785—Systems for determining direction or deviation from predetermined direction using adjustment of orientation of directivity characteristics of a detector or detector system to give a desired condition of signal derived from that detector or detector system
    • G01S3/786—Systems for determining direction or deviation from predetermined direction using adjustment of orientation of directivity characteristics of a detector or detector system to give a desired condition of signal derived from that detector or detector system the desired condition being maintained automatically
    • G01S3/7861—Solar tracking systems
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S50/00—Monitoring or testing of PV systems, e.g. load balancing or fault identification
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy

Definitions

  • the invention relates to the technical field of renewable energies and more particularly to solar energy.
  • the object of the invention is aimed at managing and controlling a group of single-axis solar trackers that provides a commissioning of the plant required for the start-up of a photovoltaic solar power plant and the correct monitoring application of trackers. solar.
  • Start-up procedures may vary depending on the size and design of the solar plant; But regardless of size and design, part of the start-up procedure for a solar photovoltaic plant involves the start-up of the solar tracking system. Said commissioning of the solar trackers requires the configuration of the tracker controller providing the operating parameters for each controller of the solar tracker, therefore, to the corresponding solar tracker. These parameters can include the location of the system, which is defined by its longitude and latitude. Without accurate location information and panel position information, the solar tracker controller will not be able to accurately determine the exact location of the sun at any given time.
  • the start-up procedures require that the solar tracker controllers be configured correctly with the respective configuration parameters in order for the solar tracker controller to function. Solutions found in the art require an operator to directly access the solar tracker controller, either through near field communication means or other direct connection means, to provide the solar tracker controller with said configuration parameters; therefore, it implies the physical presence of an operator near the solar tracker.
  • US8502129B2 describes a remotely controlled integrated photovoltaic system having several components.
  • a central back-end server management system is configured to facilitate the management of two or more solar panels at a remote site from a client device connected through a public wide area network (WAN).
  • An integrated electronics enclosure contains multiple circuits, including AC power generation inverter circuits and solar panel motion control circuits, for one or more remote photovoltaic (PV) solar panels. Multiple circuits exist cohesively in the embedded electronics housing and work best due to interconnectivity.
  • the communication circuits within the housing of the integrated electronics are configured to establish secure communications over the WAN with the back-end server central management system.
  • the integrated electronics housing acts as the local system control point for at least one or more solar panels.
  • Document US8452461 B2 describes a control system for a photovoltaic power plant including a plant-level control system for implementing plant-level control functions at the power generation sites of the plant, a monitoring system for Plant supervisory control and data acquisition, and a communication network describes the connection of the plant-level control system, the supervision system, and plant devices.
  • Document US8452461 B2 provides methods for controlling a photovoltaic plant using the plant level control system and the supervision system and methods for regulating the energy characteristics at power generation sites.
  • the communications network provides communications between said plant devices, said plant level control system and said supervision system; In this sense, the collected AC / DC power measured values are shared using the communication network.
  • US8916811 B2 describes an integrated electronics housing containing power generation circuitry and system electronics for a two-axis tracking assembly having a CPV solar array.
  • the housing contains at least one communication bus, motion control circuits, and inverter circuits, and acts as the local system control point for that tracking mechanism.
  • the inverter circuits generate three-phase AC voltage that is supplied to a grid interface transformer. Each inverter receives a bipolar DC voltage supplied from its own set of CPV cells.
  • the motion control circuits move the CPV cells of the tracking mechanism to angular coordinates resulting from a solar tracking algorithm.
  • the communication bus is connects to motion control circuits and inverter circuits to facilitate communication of information, including power parameters generated by inverter circuits, between motion control circuits and AC inverter circuits to adjust power AC generated monitoring mechanism.
  • Document EP2722959B1 provides a solution to the problem of starting up a photovoltaic solar plant, based on the idea of optimizing the starting parameters as a function of the measured active power obtained from the set of panels after start-up.
  • the measured active power is compared to a known optimum power required for a successful start, and the starting parameters are changed according to the comparison.
  • US7962249B1 describes a central matrix controller for a power generating matrix including a plurality of power generating devices, and each power generating device is coupled to a corresponding local converter.
  • the central matrix controller includes a diagnostic module that can receive, from each local converter in the matrix, device data for the power generating device corresponding to the local converter.
  • the diagnostic module may also be capable of receiving, from each local drive in the matrix, data from the local drive to the local drive.
  • the performance of the solar tracking system is compared to recently applied tuning approaches for solar tracking systems such as particle swarm optimization, firefly algorithm, and cuckoo search algorithm.
  • the performance of the existing and proposed approaches is verified in the time domain, the frequency domain also using comprehensive performance indices. Performance is found to improve on transients, robustness, and uncertainty compared to recently proposed flexible computing approaches.
  • the present invention is directed to a method for starting a solar tracker and a solar tracker that implements said method, both based on a mesh communication network that provides a self-start-up procedure for each solar tracker of such way to reduce the start of a photovoltaic plant.
  • the controller of the solar tracker deployed by the object of the invention comprises communication means that allow the controller of the solar tracker to connect to communication networks, preferably wireless communication networks, using a dedicated associated gateway provided with connection means.
  • the method of the invention provides such a solution, as it encompasses providing the solar tracker controller with the necessary instructions to find the proper communication network path and be dynamically powered with real-time configuration parameters.
  • the method of the invention is based on a meshed network comprising a plurality of gateways, the described self-start-up procedure also implies a certain level of redundancy since information on auxiliary endpoints to which it can be connected can also be provided. the solar tracker controller when required, for example in the event that a primary or assigned gateway is unable to provide access.
  • the solar tracker controller is equipped with connection means aimed at connecting the solar tracker controller to the respective communication channels, whereby the solar tracker controller can establish a connection with the communication network of the solar plant, preferably, said connection means are antennas for wireless connection.
  • the IDs of the solar trackers and / or the serial numbers and the position of each controller of trackers, and therefore each associated solar tracker, are sent to the gateways of the plant, which are part of a group with a database shared between all gateways.
  • the solar tracker When the solar tracker turns on and detects that it is not in service, it will start scanning communication channels to find a specific wireless network SSID such as "commissioned" or "gwxxxx". With this scan, the solar tracker controller will list in order of priority based on name and reception strength or signal quality. Then the solar tracker controller will connect to the first item in the list and wait for the gateway to transmit the information from the solar tracker.
  • the tracker controller will indicate to the gateway that it is available for auto start-up and will provide at least the associated serial number indicating the tracker ID, therefore that the corresponding information of the solar tracker is searched in the database.
  • the gateway detects that a tracker is available for start-up, it will locate the serial number in the database distributed among all gateways and send the corresponding configuration to that tracker controller, including information from the auxiliary gateways. to connect in case the primary gateway fails.
  • the tracker controller Once the tracker controller has its configuration parameters, it will wait for the Gateway to indicate that startup is complete and that it can now connect to the assigned communication network.
  • Implicit in this start-up is the issuance of configuration parameters for each monitoring controller that allows, in case of failure of the main gateway, to communicate with the auxiliary gateways that have been configured in the start-up process. It is briefly described.
  • Each gateway will have several antennas that will allow it to connect to the different respective channels, preferably three that work on the respective wireless communication channels. After commissioning, the solar tracker will go into normal operation.
  • the solar tracker may periodically wait for a "live” message from the gateway that communications are active; In the event that the tracker controller detects that it does not receive the "live” message for a reasonable period of time, the tracker controller will request configuration parameters that include data from the auxiliary gateway and will proceed to connect to the auxiliary gateway.
  • the new gateway control unit which is based on a programmable device that replaces the central control of previous SCADA systems (TMS) and therefore eliminates the single point of failure.
  • TMS SCADA systems
  • Each subfield is controlled by a dedicated gateway respectively that works independently, but all gateways share their information forming a cluster with a distributed database with access in real time.
  • the solar trackers will automatically be assigned to the closest gateway and continue to operate. This also produces lower temperature levels in different parts of the system.
  • network switching is transparent as the scanner controller does not have to disconnect from the network to do this.
  • Figure 1. Shows a diagram illustrating the gateways and channels used by each network.
  • Figure 2.- Shows a flow chart illustrating the object of the invention.
  • the follower control method of the invention makes use of a meshed communication network, preferably using wireless communication networks and TCP / IP-based protocols, and multiple gateways intended to provide channel information data from / to the controllers of solar tracker, said gateways that act between the meshed communication network and a communication system of the solar plant;
  • Each gateway is equipped with a plurality of transceivers associated respectively to the antennas, which provide wireless connections that allow wireless connection using different communication channels, in a preferred embodiment of the invention three antennas are provided.
  • the gateways generate the SSIDs of the available networks in a communication channel number and the solar tracker controllers are grouped and configured to connect through a communication channel number, so that each solar tracker controller in a group it is connected to a gateway through a corresponding communication channel.
  • the method of the invention encompasses assigning each solar tracker controller a unique serial number to be used in commissioning or commissioning procedure in which each unique serial number is associated with the corresponding position of the respective solar tracker by means of subfield data arranged along the unique serial number; therefore, the information on which solar tracker and in which part of the solar plant are determined and preferably stored in a database accessible by the gateways.
  • This information will be sent to the gateways of the plant that will be part of the design of a cluster and will have a shared database among all the gateways.
  • a scanning process is triggered to scan communication channels to find a certain communication network that is identified by an ID format.
  • the communication network may have an SSID: "start-up” or "gwxxxx”. Therefore, the whole process related to commissioning is handled by the respective gateway as shown in figure 2, where the networks are represented as generic names numbered as "gateway n mesh network”.
  • the solar tracker controller can form a list of wireless networks arranged in order of priority, preferably based on name and reception strength or signal quality. Once the list of available wireless networks is available, the solar tracker controller will connect to the first communication network listed on the list and wait for the gateway to send the respective information through a transmission procedure following the process represented. in figure 2. Once the solar tracker controller has gateway information available, the solar tracker controller will tell the gateway its serial number and also indicate that it is available for self-start.
  • the serial number is identified in the database distributed among all gateways and sends the corresponding configuration information in the form of configuration parameters of the controller of the tracker to that solar tracker controller that is available for commissioning;
  • Said solar configuration parameters can comprise at least one of: positioning angles, maximum angle, position of the associated solar tracker in the plant, auxiliary data and of gateways to connect in case the primary gateway fails.
  • a solar tracker controller As soon as a solar tracker controller has received the configuration parameters, it waits for the gateway to generate a message, preferably by transmission, indicating that the commissioning has finished and therefore the solar tracker controller can now connect to an assigned communications network.
  • a process for issuing configuration parameters is provided for each solar tracking controller that allows, in case of failure of the main gateway, to communicate with the auxiliary gateways that had been configured in the start-up process.
  • the solar tracker controller will enter a normal operating mode where the solar tracker controller can send / receive commands from the solar tracker controller and the configuration parameters can be modified.
  • the solar tracker controller will periodically wait for a "live” message from the gateway indicating that it is still available to communicate. If the controller of the solar tracker detects that it does not receive, during a predetermined period of time, preferably set between 15 seconds and 15 minutes, a status message as "live", the controller of the solar tracker initiates a query process for the parameters configuration, determining an auxiliary gateway and connecting to said auxiliary gateway.
  • the switching processes are transparent as the solar tracker controller does not have to disconnect from the grid to perform a switching process.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Electromagnetism (AREA)
  • Sustainable Development (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Selective Calling Equipment (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Walking Sticks, Umbrellas, And Fans (AREA)
  • Safety Devices In Control Systems (AREA)

Abstract

L'invention concerne des suiveurs solaires électriques qui déplacent des panneaux solaires et sont commandés par un dispositif de commande de suiveurs solaires. Plus précisément, l'invention a pour objet un procédé de mise en marche de centrales solaires. L'invention représente un réseau de commnucations maillé, et de multiples passerelles associées respectivement à chaque dispositif de commande de suiveur solaire; ledites passerelles fonctionnent entre le réseau de communication maillé et un système de communications de centrale solaire dans lequel chaque dispositif de commande de suiveur solaire se voit attribuer un numéro de série unique qui comprend un ID, et une position dans la centrale solaire du suiveur solaire associé audit dispositif de commande de suiveur solaire. La passerelle de liaison détermine qu'un suiveur solaire est disponible pour la mise en marche et envoie des données de configuration au dispositif de commande du suiveur solaire dudit suiveur solaire disponible pour la mise en marche, lesdites données de configuration comprenant des informations de passerelles auxiliaires pour la connexion en cas de défaillance d'une passerelle principale.
PCT/ES2021/070391 2020-06-04 2021-06-01 Activation de suiveurs solaires WO2021245308A1 (fr)

Priority Applications (8)

Application Number Priority Date Filing Date Title
BR112022023960A BR112022023960A2 (pt) 2020-06-04 2021-06-01 Comissionamento de rastreador solar
AU2021286216A AU2021286216A1 (en) 2020-06-04 2021-06-01 Activation of a solar tracker
IL298734A IL298734A (en) 2020-06-04 2021-06-01 Running a solar tracker
US18/008,157 US11867824B2 (en) 2020-06-04 2021-06-01 Solar tracker commissioning
MX2022015077A MX2022015077A (es) 2020-06-04 2021-06-01 Puesta en marcha de seguidor solar.
PE2022002624A PE20231125A1 (es) 2020-06-04 2021-06-01 Puesta en marcha de seguidor solar
CN202180040154.1A CN115968531A (zh) 2020-06-04 2021-06-01 太阳能追踪器的激活
CONC2022/0017450A CO2022017450A2 (es) 2020-06-04 2022-12-02 Activación de seguidores solares

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP20178231.5A EP3920412B1 (fr) 2020-06-04 2020-06-04 Mise en service du suiveur solaire
EP20178231.5 2020-06-04

Publications (1)

Publication Number Publication Date
WO2021245308A1 true WO2021245308A1 (fr) 2021-12-09

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/ES2021/070391 WO2021245308A1 (fr) 2020-06-04 2021-06-01 Activation de suiveurs solaires

Country Status (13)

Country Link
US (1) US11867824B2 (fr)
EP (1) EP3920412B1 (fr)
CN (1) CN115968531A (fr)
AU (1) AU2021286216A1 (fr)
BR (1) BR112022023960A2 (fr)
CL (1) CL2022003430A1 (fr)
CO (1) CO2022017450A2 (fr)
ES (1) ES2954671T3 (fr)
IL (1) IL298734A (fr)
MX (1) MX2022015077A (fr)
PE (1) PE20231125A1 (fr)
PT (1) PT3920412T (fr)
WO (1) WO2021245308A1 (fr)

Families Citing this family (2)

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Publication number Priority date Publication date Assignee Title
CN115118752B (zh) * 2022-08-22 2022-11-22 广东邦盛新能源科技发展有限公司 光伏板数据采集设备的组网方法及系统
US20240128762A1 (en) * 2022-10-14 2024-04-18 Lunar Energy, Inc. Configuring a solar power system for communications

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US20120158200A1 (en) * 2010-12-17 2012-06-21 Greenvolts, Inc Integrated performance monitoring for a concentrated photovoltaic (cpv) system
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US8452461B2 (en) 2011-05-10 2013-05-28 First Solar, Inc Control system for photovoltaic power plant
US8502129B2 (en) 2010-02-16 2013-08-06 Western Gas And Electric, Inc. Integrated remotely controlled photovoltaic system
US8916811B2 (en) 2010-02-16 2014-12-23 Western Gas And Electric Company Integrated electronics housing for a solar array
US20170279630A1 (en) * 2016-03-22 2017-09-28 Lutron Electronics Co., Inc. Seamless Connection to Multiple Wireless Controllers
EP2722959B1 (fr) 2012-10-16 2019-06-26 ABB Schweiz AG Démarrage d'une installation d'énergie solaire

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CN103780407B (zh) * 2012-10-18 2018-07-06 中兴通讯股份有限公司 分布式弹性网络互连(drni)中网关动态切换方法和装置
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US7962249B1 (en) 2008-05-14 2011-06-14 National Semiconductor Corporation Method and system for providing central control in an energy generating system
US20100083356A1 (en) * 2008-09-29 2010-04-01 Andrew Steckley System and method for intelligent automated remote management of electromechanical devices
US8502129B2 (en) 2010-02-16 2013-08-06 Western Gas And Electric, Inc. Integrated remotely controlled photovoltaic system
US8916811B2 (en) 2010-02-16 2014-12-23 Western Gas And Electric Company Integrated electronics housing for a solar array
US20120158200A1 (en) * 2010-12-17 2012-06-21 Greenvolts, Inc Integrated performance monitoring for a concentrated photovoltaic (cpv) system
US20120158197A1 (en) * 2010-12-17 2012-06-21 Greenvolts, Inc. Wireless local area network for a concentrated photovoltaic system
US8452461B2 (en) 2011-05-10 2013-05-28 First Solar, Inc Control system for photovoltaic power plant
EP2722959B1 (fr) 2012-10-16 2019-06-26 ABB Schweiz AG Démarrage d'une installation d'énergie solaire
US20170279630A1 (en) * 2016-03-22 2017-09-28 Lutron Electronics Co., Inc. Seamless Connection to Multiple Wireless Controllers

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Also Published As

Publication number Publication date
CN115968531A (zh) 2023-04-14
AU2021286216A1 (en) 2023-02-02
ES2954671T3 (es) 2023-11-23
IL298734A (en) 2023-02-01
EP3920412A1 (fr) 2021-12-08
EP3920412B1 (fr) 2023-06-21
US20230194645A1 (en) 2023-06-22
PT3920412T (pt) 2023-09-13
MX2022015077A (es) 2023-01-11
CO2022017450A2 (es) 2023-04-05
BR112022023960A2 (pt) 2023-12-26
PE20231125A1 (es) 2023-07-19
CL2022003430A1 (es) 2023-05-19
US11867824B2 (en) 2024-01-09

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